@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Tree tree = (Tree) o;
if (classId != tree.classId) return false;
if (children != null ? !children.equals(tree.children) : tree.children != null) return false;
if (parent != null ? !parent.equals(tree.parent) : tree.parent != null) return false;
if (splitFunction != null
? !splitFunction.equals(tree.splitFunction)
: tree.splitFunction != null) return false;
return true;
}
